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#pragma once
#include "../compiler_setup.h"
static PyObject* PyGLM_GetNumber(PyObject* arg) {
if (arg->ob_type->tp_as_number->nb_float != NULL) {
return PyNumber_Float(arg);
}
if (arg->ob_type->tp_as_number->nb_int != NULL) {
return PyNumber_Long(arg);
}
if (arg->ob_type->tp_as_number->nb_index != NULL) {
return PyNumber_Index(arg);
}
PyErr_SetString(PyExc_Exception, "invalid getnumber request (this should not occur)");
return NULL;
}
static bool PyGLM_TestNumber(PyObject* arg) {
PyObject* num = PyGLM_GetNumber(arg);
if (num == NULL) {
PyErr_Clear();
return false;
}
Py_DECREF(num);
return true;
}
static unsigned long PyLong_AsUnsignedLongAndOverflow(PyObject* arg, int* overflow) {
unsigned long out = PyLong_AsUnsignedLong(arg);
if (PyErr_Occurred()) {
PyErr_Clear();
*overflow = 1;
}
else {
*overflow = 0;
}
return out;
}
/*
static unsigned long long PyLong_AsUnsignedLongLongAndOverflow(PyObject* arg, int* overflow) {
unsigned long long out = PyLong_AsUnsignedLongLong(arg);
if (PyErr_Occurred()) {
PyErr_Clear();
*overflow = 1;
}
else {
*overflow = 0;
}
return out;
}
*/
static int PyLong_Sign(PyObject* arg) {
int overflow;
long l = PyLong_AsLongAndOverflow(arg, &overflow);
if (overflow) {
return overflow;
}
return glm::sign(l);
}
#define PyGLM_COULD_BE_NUMBER(arg) (Py_TYPE(arg)->tp_as_number != NULL && (arg->ob_type->tp_as_number->nb_index != NULL || arg->ob_type->tp_as_number->nb_int != NULL || arg->ob_type->tp_as_number->nb_float != NULL))
#define PyGLM_Number_Check(arg) (PyFloat_Check(arg) || PyLong_Check(arg) || PyBool_Check(arg) || (PyGLM_COULD_BE_NUMBER(arg) &&PyGLM_TestNumber(arg)))
template<typename T>
static T _PyGLM_Long_As_Number_No_Error(PyObject* arg) {
if (std::numeric_limits<T>::is_iec559) {
int overflow;
long long ll;
ll = PyLong_AsLongLongAndOverflow(arg, &overflow);
if (overflow == 1) {
return static_cast<T>(_PyGLM_Long_As_Number_No_Error<unsigned long long>(arg));
}
else if (overflow == -1) {
return static_cast<T>(_PyGLM_Long_As_Number_No_Error<long long>(arg));
}
return static_cast<T>(ll);
}
if (std::is_same<T, long>::value) {
int overflow;
long l = PyLong_AsLongAndOverflow(arg, &overflow);
if (overflow) {
PyGLM_WARN(PyGLM_OVERFLOW_WARNING, "Integer overflow (or underflow) occured.");
}
else {
return static_cast<T>(l);
}
}
if (std::is_same<T, unsigned long>::value) {
unsigned long ul = PyLong_AsUnsignedLong(arg);
if (PyErr_Occurred()) {
PyErr_Clear();
PyGLM_WARN(PyGLM_OVERFLOW_WARNING, "Integer overflow (or underflow) occured.");
}
else {
return static_cast<T>(ul);
}
}
if (std::is_same<T, long long>::value) {
int overflow;
long long ll = PyLong_AsLongLongAndOverflow(arg, &overflow);
if (overflow) {
PyGLM_WARN(PyGLM_OVERFLOW_WARNING, "Integer overflow (or underflow) occured.");
}
else {
return static_cast<T>(ll);
}
}
if (std::is_same<T, unsigned long>::value) {
unsigned long long ull = PyLong_AsUnsignedLongLong(arg);
if (PyErr_Occurred()) {
PyErr_Clear();
PyGLM_WARN(PyGLM_OVERFLOW_WARNING, "Integer overflow (or underflow) occured.");
}
else {
return static_cast<T>(ull);
}
}
return static_cast<T>(PyLong_AsUnsignedLongLongMask(arg));
}
static double PyGLM_Number_AsDouble(PyObject* arg) {
if (PyFloat_Check(arg)) {
return PyFloat_AS_DOUBLE(arg);
}
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<double>(arg);
}
if (PyBool_Check(arg)) {
return (arg == Py_True) ? 1.0 : 0.0;
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
double d = PyGLM_Number_AsDouble(num);
Py_DECREF(num);
return d;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return -1.0;
}
static long PyGLM_Number_AsLong(PyObject* arg) {
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<long>(arg);
}
if (PyFloat_Check(arg)) {
return (long)PyFloat_AS_DOUBLE(arg);
}
if (PyBool_Check(arg)) {
return (arg == Py_True) ? 1 : 0;
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
long l = PyGLM_Number_AsLong(num);
Py_DECREF(num);
return l;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return -1l;
}
static unsigned long PyGLM_Number_AsUnsignedLong(PyObject* arg) {
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<unsigned long>(arg);
}
if (PyFloat_Check(arg)) {
return (unsigned long)PyFloat_AS_DOUBLE(arg);
}
if (PyBool_Check(arg)) {
return (arg == Py_True) ? 1UL : 0UL;
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
unsigned long l = PyGLM_Number_AsUnsignedLong(num);
Py_DECREF(num);
return l;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return (unsigned long) - 1l;
}
static long long PyGLM_Number_AsLongLong(PyObject* arg) {
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<long long>(arg);
}
if (PyFloat_Check(arg)) {
return (long long)PyFloat_AS_DOUBLE(arg);
}
if (PyBool_Check(arg)) {
return (arg == Py_True) ? 1LL : 0LL;
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
long long l = PyGLM_Number_AsLongLong(num);
Py_DECREF(num);
return l;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return -1ll;
}
static unsigned long long PyGLM_Number_AsUnsignedLongLong(PyObject* arg) {
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<unsigned long long>(arg);
}
if (PyFloat_Check(arg)) {
return (unsigned long long)PyFloat_AS_DOUBLE(arg);
}
if (PyBool_Check(arg)) {
return (arg == Py_True) ? 1ull : 0ull;
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
unsigned long long l = PyGLM_Number_AsUnsignedLongLong(num);
Py_DECREF(num);
return l;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return (unsigned long long)-1ll;
}
static bool PyGLM_Number_AsBool(PyObject* arg) {
if (PyBool_Check(arg)) {
return (arg == Py_True) ? true : false;
}
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<bool>(arg);
}
if (PyFloat_Check(arg)) {
return (bool)PyFloat_AS_DOUBLE(arg);
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
bool b = PyGLM_Number_AsBool(num);
Py_DECREF(num);
return b;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return false;
}
static float PyGLM_Number_AsFloat(PyObject* arg) {
if (PyFloat_Check(arg)) {
return (float)PyFloat_AS_DOUBLE(arg);
}
if (PyLong_Check(arg)) {
return _PyGLM_Long_As_Number_No_Error<float>(arg);
}
if (PyBool_Check(arg)) {
return (arg == Py_True) ? 1.f : 0.f;
}
if (PyNumber_Check(arg)) {
PyObject* num = PyGLM_GetNumber(arg);
float f = PyGLM_Number_AsFloat(num);
Py_DECREF(num);
return f;
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return -1.0f;
}
template<typename T>
static T PyGLM_Number_FromPyObject(PyObject* value) {
if (std::numeric_limits<T>::is_iec559) {
if (std::is_same<T, double>::value) {
return (T)PyGLM_Number_AsDouble(value);
}
return static_cast<T>(PyGLM_Number_AsFloat(value));
}
else if (std::numeric_limits<T>::is_integer) {
if (std::is_same<T, long long>::value) {
return (T)PyGLM_Number_AsLongLong(value);
}
if (std::is_same<T, unsigned long long>::value) {
return (T)PyGLM_Number_AsUnsignedLongLong(value);
}
if (std::is_same<T, unsigned long>::value || !std::is_signed<T>::value) {
return (T)PyGLM_Number_AsUnsignedLong(value);
}
return static_cast<T>(PyGLM_Number_AsLong(value));
}
else if (std::is_same<T, bool>::value) {
return (T)PyGLM_Number_AsBool(value);
}
PyErr_SetString(PyExc_Exception, "supplied argument is not a number (this should not occur)");
return (T)0;
}
template<typename T>
static PyObject* PyGLM_PyObject_FromNumber(T value) {
if (std::numeric_limits<T>::is_iec559) {
return PyFloat_FromDouble(static_cast<double>(value));
}
else if (std::is_same<T, bool>::value) {
if (value) {
Py_RETURN_TRUE;
}
Py_RETURN_FALSE;
}
else if (std::numeric_limits<T>::is_integer) {
if (std::is_same<T, long long>::value) {
return PyLong_FromLongLong((long long)value);
}
if (std::is_same<T, unsigned long long>::value) {
return PyLong_FromUnsignedLongLong((unsigned long long)value);
}
if (std::is_same<T, unsigned long>::value || !std::is_signed<T>::value) {
return PyLong_FromUnsignedLong((unsigned long)value);
}
return PyLong_FromLong((long)value);
}
return NULL;
}
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